664483 has 4 divisors (see below), whose sum is σ = 682480. Its totient is φ = 646488.

The previous prime is 664471. The next prime is 664507. The reversal of 664483 is 384466.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384466 = 2 ⋅192233.

It is a cyclic number.

It is not a de Polignac number, because 664483 - 2¹³ = 656291 is a prime.

It is a Duffinian number.

664483 is a lucky number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (664403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8943 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (170620).

2⁶⁶⁴⁴⁸³ is an apocalyptic number.

664483 is a deficient number, since it is larger than the sum of its proper divisors (17997).

664483 is a wasteful number, since it uses less digits than its factorization.

664483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17996.

The product of its digits is 13824, while the sum is 31.

The square root of 664483 is about 815.1582668415. The cubic root of 664483 is about 87.2625617171.

The spelling of 664483 in words is "six hundred sixty-four thousand, four hundred eighty-three".